Aboard the Whistle Stop Express, Rick Klein sits down with Bennett Levin, the owner of the Pennsylvania 120, one of the most storied cars in American history. Levin bought the car in 1985, however it was built in 1928 to transport high-ranking officials from the Pennsylvania railroad in luxury. This week, the car housed Sen. Clinton for a sit-down interview with Good Morning America's Diane Sawyer, but in years past, the train has carried such notable figures as Presidents Herbert Hoover and...Full Story